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|4:-|*-3---3---2-4-|-5---5---5-6-|-7-7-----5-5---5-|-7-7-7-7/X-|
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|-3---3---2-4-|-5---5---5-6-|-7-7-----5-5---5-|-7-7-7-7-7-7-7-7/X-|
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